I'm trying to install a device. I plug in the device which creates a ttyUSB0 file. When I open it in the program I need it for, it says the permission is denied. I type in terminal

sudo chmod 666 /dev/ttyUSB0

This resolved the problem but after restarting my computer I get the same problem and need to re-enter the same command to get permission. How do I fix this where I dont need to change the permission after every reboot?